package thread;

import java.util.concurrent.Semaphore;

/*
 * @author zzr
 * @date: 2025/04/11  16:21
 * @description:
 */
public class ThreadDemo48 {
    private static int count = 0;

    public static void main(String[] args) throws InterruptedException {
        Semaphore semaphore = new Semaphore(1);
        Thread t = new Thread(() -> {
            for (int i = 0; i < 50000; i++) {
                try {
                    semaphore.acquire();
                } catch (InterruptedException e) {
                    throw new RuntimeException(e);
                }
                count++;
                semaphore.release();
            }
        });
        Thread t2 = new Thread(() -> {
            for (int i = 0; i < 50000; i++) {
                try {
                    semaphore.acquire();
                } catch (InterruptedException e) {
                    throw new RuntimeException(e);
                }
                count++;
                semaphore.release();
            }
        });
        t.start();
        t2.start();
        t.join();
        t2.join();
        System.out.println("count  " + count);
    }
}
